Zhou, Ej

Curriculum Vitae
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Selected Publications

Lower-Resource, Higher Scores — paper figure
Lower-Resource, Higher Scores: Language Bias in LLM Evaluators
Ej Zhou, Lucas Resck, Zheng Hui, Anna Korhonen
COLM 2026
Paper ↗
Cross-Lingual Alignment Without Joint Training — paper figure
Cross-Lingual Alignment Without Joint Training: Do Monolingual Language Models Converge on Universal Representations?
Ej Zhou, Suchir Salhan, Catherine Arnett, Anna Korhonen
EMNLP 2026
Paper ↗
Beyond the Final Layer — paper figure
Beyond the Final Layer: Intermediate Representations for Better Multilingual Calibration in Large Language Models
Ej Zhou, Caiqi Zhang, Tiancheng Hu, Chengzu Li, Nigel Collier, Ivan Vulić, Anna Korhonen
EMNLP 2026 · COLM 2025 MELT (Spotlight)
Paper ↗
HealthDial dataset figure
Dial HEALTHDIAL for Advice: A Multilingual and Multi-Parallel Spoken Dialogue Dataset for Knowledge-Grounded Information Seeking
Ej Zhou*, Songbo Hu*, Yinhong Liu*, Evgeniia Razumovskaia, Xiaobin Wang, Alexander Fraser, Ivan Vulić**, Anna Korhonen**
* equal contribution  ·  ** equal supervision
ACL 2026 Findings
Paper ↗ Code ↗ Video ↗
Safe-SAIL — paper figure
Safe-SAIL: Towards a Fine-grained Safety Landscape of Large Language Models via Sparse Autoencoder Interpretation Framework
Jiaqi Weng, Han Zheng, Hanyu Zhang, Ej Zhou, Qinqin He, Jialing Tao, Hui Xue, Zhixuan Chu, Xiting Wang
ACL 2026 Findings
Paper ↗
Bias Beyond English — paper figure
Bias Beyond English: Evaluating Social Bias and Debiasing Methods in a Low-Resource Setting
Ej Zhou, Weiming Lu
NLPCC 2025 Main · ACL 2025 GeBNLP
Paper ↗ Proceedings ↗
Global linguistic hierarchy figure
Artificial Intelligence is Creating a New Global Linguistic Hierarchy
Giulia Occhini, Kumiko Tanaka-Ishii, Anna Barford, Refael Tikochinski, Songbo Hu, Roi Reichart, Yijie Zhou, Hannah Clause, Ulla Petti, Ivan Vulić, Ramit Debnath, Anna Korhonen
In submission to Nature Communications
Paper ↗ Article ↗
MSRS overview figure
MSRS: Evaluating Multi-Source Retrieval-Augmented Generation
Rohan Phanse, Yijie Zhou, Kejian Shi, Wencai Zhang, Yixin Liu, Yilun Zhao, Arman Cohan
COLM 2025
Paper ↗ Code ↗
Cross-Lingual Summarization pipeline
Revisiting Cross-Lingual Summarization: A Corpus-based Study and a New Benchmark with Improved Annotation
Yulong Chen, Huajian Zhang, Yijie Zhou, Xuefeng Bai, Yueguan Wang, Ming Zhong, Jianhao Yan, Yafu Li, Judy Li, Michael Zhu, Yue Zhang
ACL 2023 Long
Paper ↗ Code ↗

Education & Experience

Research Intern — Qwen, Alibaba
Jul 2026 — Present
Qwen Pretrain/Multilingual team, advised by Baosong Yang.
University of Cambridge
Oct 2024 — Jun 2028 (expected)
PhD in Computation, Cognition and Language · Hughes Hall · advised by Prof. Anna Korhonen
University of Oxford
Oct 2023 — Jun 2024
Visiting student · St Hilda's College · Linguistics and Computer Science
Research Assistant — Yale
Apr 2023 — Oct 2023
Yale NLP Lab, advised by Arman Cohan.
Cornell University
Jan 2023 — May 2023
Exchange student & research assistant · College of Engineering, CommCollabTech Lab · GPA 4.082 / 4.3
Research Intern — Westlake University
Sept 2022 — Feb 2023
Advised by Yue Zhang.
Zhejiang University
Sept 2020 — Jun 2024
B.Eng. (Honours), Computer Science · Chu Kochen Honors College · Overall GPA 3.99 / 4, Major GPA 4.0 / 4.0 · Top 2%

Some other things: I am a cinema enthusiast and I was at the 76th–79th Festival de Cannes; I consider myself a Buddhist; I trained Guqin at the Xihu Qinshe and taught it at ZJU for a year.

My travel log, Waypoints ↗

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